{"id":"CVE-2014-3581","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-3581","generatedAt":"2026-11-05T06:48:55.808Z","title":"The cache_merge_headers_out function in modules/cache/cache_util.c in the mod_cache module in the Apache HTTP Server before 2.4.11 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty HTTP…","description":"The cache_merge_headers_out function in modules/cache/cache_util.c in the mod_cache module in the Apache HTTP Server before 2.4.11 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty HTTP Content-Type header.","published":"2014-10-10T10:55:07.000Z","lastModified":"2026-06-17T00:08:33.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-476"],"affected":["apache/http server","canonical/ubuntu linux","redhat/enterprise linux desktop","redhat/enterprise linux eus","redhat/enterprise linux server","redhat/enterprise linux server aus","redhat/enterprise linux server tus","oracle/enterprise manager ops center","oracle/linux"],"epss":{"score":0.13558,"percentile":0.9647,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 13.6%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html","tags":["Broken Link","Mailing List"],"source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00004.html","tags":["Broken Link","Mailing List"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0325.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/CHANGES?view=markup&pathrev=1627749","tags":["Release Notes","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1624234","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html","tags":["Third Party 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